CN204608342U - A kind of sewing machine feeding mechanism - Google Patents
A kind of sewing machine feeding mechanism Download PDFInfo
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- CN204608342U CN204608342U CN201520278430.XU CN201520278430U CN204608342U CN 204608342 U CN204608342 U CN 204608342U CN 201520278430 U CN201520278430 U CN 201520278430U CN 204608342 U CN204608342 U CN 204608342U
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- differential
- retainer
- crank
- slide block
- feed dog
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Abstract
The utility model belongs to sewing machine technique field, refer in particular to a kind of sewing machine feeding mechanism, the front end of lower main axis is provided with feed lifting rock shaft crank, lower main axis is installed with slide block, feed lifting rock shaft is provided with and lifts tooth slide block, the two ends, left and right of differential retainer and main feed dog frame are equipped with chute, slide block with lift tooth slide block and be slidably installed in the chute at differential retainer and main feed dog frame two ends respectively, the front side of slide block is provided with retainer baffle plate, retainer baffle plate contacts with differential retainer and connects, the the first differential crank be fixed on differential shaft is provided with on front side of differential retainer, feed lifting rock shaft crank, retainer baffle plate, main feed dog frame and differential retainer compress spacing by the first differential crank and feed lifting rock shaft, first differential crank is connected with main feed dog frame by differential connecting rod, differential retainer is provided with differential tooth, main feed dog frame is provided with feed dog, the utility model is spacing by two head clampings, even if differential like this retainer also not easily loosened in the use longer time.
Description
Technical field
The utility model belongs to sewing machine technique field, refers in particular to a kind of sewing machine feeding mechanism.
Background technology
Flat seaming machine is applicable to the neckline, cuff etc. of making the various elastic fabrics such as knitted underwear, Training wear, T-shirt, brassiere, tunic skirt elastic cord.Desk-top flat seaming machine is the basic machine in flat seaming machine, can carry out crimping and make, and applicable underwear, the neckline of sweater, the crimping of cuff are made.Desk-top flat seaming machine derives from various in style in addition, multiple accessories can be installed sew up to realize several functions, be widely used in all kinds of knitting sewing, as underwear underpants, cotton wool underpants, gym outfit, T-shirt, men and women's underpants, also the knitting fashionable dress, knitted outerwear, cowboy etc. of making various style is applicable to. rolling can be carried out, roll neck, the decoration of elastic cord piece, roses and lace, the sewing on bent tooth limit etc. is the sewing device of large-scale production plant indispensability.
At present, the feed mechanism of existing flat seaming machine realizes work feed by a toggle and a crank mechanism by driving differential retainer and main feed dog frame.The differential retainer of this mechanism carries out spacing owing to only having one piece of baffle plate to be fixed on main feed dog frame to it, after causing using a period of time, differential retainer easily loosens, occur that feeding is unstable, produce the problems such as noise thus, and the structure of this feed mechanism is comparatively complicated, assembly difficulty and part difficulty of processing are comparatively large, and production cost is higher.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, and process and assemble is convenient, the sewing machine feeding mechanism that retainer not easily loosens.
The purpose of this utility model is achieved in that
A kind of sewing machine feeding mechanism, include lower main axis, differential shaft and feed lifting rock shaft, lower main axis passes through first connecting rod, first crank swings with feed lifting rock shaft and is connected, and lower main axis passes through eccentric ratio, second connecting rod and the second crank swing with differential shaft and are connected, the front end of lower main axis is provided with feed lifting rock shaft crank, lower main axis on front side of feed lifting rock shaft crank is installed with slide block, the front end of feed lifting rock shaft is provided with lifts tooth slide block, the two ends, left and right of differential retainer and main feed dog frame are equipped with chute, slide block with lift tooth slide block and be slidably installed in the chute at differential retainer and main feed dog frame two ends respectively, the front side of slide block is provided with retainer baffle plate, retainer baffle plate contacts with differential retainer and connects, the the first differential crank be fixed on differential shaft is provided with on front side of differential retainer, feed lifting rock shaft crank, retainer baffle plate, main feed dog frame and differential retainer compress spacing by the first differential crank and feed lifting rock shaft, first differential crank is connected with main feed dog frame by differential connecting rod, differential retainer is provided with differential tooth, main feed dog frame is provided with feed dog, lower main axis rotating band movable slider with lift the reciprocating motion of tooth slide block, slide block and the reciprocating motion of lifting tooth slide block drive the differential dental strip on differential retainer to move and feed dog reciprocating motion on main feed dog frame realizes work feed.
In technique scheme, the front end of described differential shaft is installed with differential pendulum plate, differential pendulum plate is positioned at the front side of the first differential crank, differential pendulum plate is provided with arcuate socket, adjusting slider is provided with in arcuate socket, adjusting slider is located by screw, and differential retainer is provided with the second differential crank, and adjusting slider is connected by differential small rod with the second differential crank.
In technique scheme, one end of described differential small rod is sleeved on outside lining one, and screw is screwed onto on the second differential crank through the through hole on lining one.
In technique scheme, eccentric structure is arranged in the front end of described lower main axis, and slide block is connected with the front end of lower main axis by bearing, the reciprocating motion in the chute of differential retainer and main feed dog frame of band movable slider.
In technique scheme, described differential connecting rod is connected with differential crank by pin and soket head cap screw.
In technique scheme, the other end of described differential connecting rod is sleeved on outside lining two, and screw is screwed onto on main feed dog frame through the through hole on lining two.
The utility model gives prominence to compared to existing technology and useful technique effect is:
1, the utility model by feed lifting rock shaft crank and retainer baffle plate, feed lifting rock shaft and the first differential crank by spacing for two head clampings of differential retainer and main feed dog frame, even if differential like this retainer also not easily loosened in the use longer time, solve traditional structure and occur that feeding is unstable because differential retainer easily loosens, produce the problem of noise.
2, the oscillating quantity of the utility model by regulating the upper-lower position of adjusting slider in the installing hole of differential pendulum plate to adjust differential position, the differential values so just achieving retainer regulates.
3, design of part of the present utility model is simple, and easy installation and removal, reduces the processing and manufacturing difficulty of part greatly, and assembling is simple, improves production efficiency, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the perspective view that the utility model is arranged on casing.
Fig. 2 is perspective view of the present utility model.
Fig. 3 is one of partial structurtes schematic diagram of the present utility model.
Fig. 4 is partial structurtes schematic diagram two of the present utility model.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, see Fig. 1-Fig. 4:
A kind of sewing machine feeding mechanism, include lower main axis 1, differential shaft 2 and feed lifting rock shaft 3, lower main axis 1 is by motor-driven rotation, one end of first connecting rod 4 be set with and be fixed on lower main axis 1, one end of the other end and the first crank 5 is hinged, the other end of the first crank 5 is installed on feed lifting rock shaft 3 by screw, and lower main axis 1 rotates and drives first connecting rod 4 reciprocally swinging to drive feed lifting rock shaft 3 to swing.Lower main axis 1 is also swung with differential shaft 2 by eccentric ratio 6, second connecting rod 7 and the second crank 8 and is connected.The front end of lower main axis 1 is provided with feed lifting rock shaft crank 9, lower main axis 1 on front side of feed lifting rock shaft crank 9 is installed with slide block 10, the front end of feed lifting rock shaft 3 is provided with lifts tooth slide block 11, differential retainer 12 is equipped with chute with the two ends, left and right of main feed dog frame 13, slide block 10 with lift tooth slide block 11 and be slidably installed in differential retainer 12 respectively with in the chute at main feed dog frame 13 two ends, the front side of slide block 10 is provided with retainer baffle plate 14, retainer baffle plate 14 is fixed on casing 15, retainer baffle plate 14 contacts with differential retainer 12 and connects, the the first differential crank 16 be fixed on differential shaft 2 is provided with on front side of differential retainer 12, feed lifting rock shaft crank 9, retainer baffle plate 14, main feed dog frame 13 and differential retainer 12 compress spacing with feed lifting rock shaft 3 by the first differential crank 16, clamping mode location, this two, main feed dog frame 13 and differential retainer 12 spacing after not easily loosen, and design of part is simple, assemble and process more convenient, greatly can reduce production cost.
First differential crank 16 is connected with main feed dog frame 13 by differential connecting rod 17, differential retainer 12 is provided with differential tooth 18, main feed dog frame 13 is provided with feed dog 19, lower main axis 1 rotating band movable slider 10 with lift tooth slide block 11 reciprocating motion, slide block 10 and the reciprocating motion of lifting tooth slide block 11 drive the differential tooth 18 on differential retainer 12 to drive and feed dog 19 reciprocating motion on main feed dog frame 13 realizes work feed.
In technique scheme, the front end of described differential shaft 2 is installed with differential pendulum plate 20, differential pendulum plate 20 is positioned at the front side of the first differential crank 16, differential pendulum plate 20 is provided with arcuate socket 21, adjusting slider 22 is provided with in arcuate socket 21, adjusting slider 22 is located by screw 23 and pad 24, and differential retainer 12 is provided with the second differential crank 25, and adjusting slider 22 is connected by differential small rod 26 with the second differential crank 25.
Adjusted the oscillating quantity of differential position by the upper-lower position of adjusting slider 22 in the arcuate socket 21 of differential pendulum plate 20, by this mechanism, the differential values that the upper-lower position of adjusting slider 22 in differential pendulum plate 20 realizes main feed dog frame 13 and differential retainer 12 regulates.
In technique scheme, one end of described differential small rod 26 is sleeved on outside lining one, and screw 27 is screwed onto on the second differential crank 25 through the through hole on lining one.
In technique scheme, eccentric structure is arranged in the front end of described lower main axis 1, and slide block 10 is connected by the front end of bearing with lower main axis 1, the reciprocating motion in the chute of differential retainer 12 and main feed dog frame 13 of band movable slider 10.
In technique scheme, described differential connecting rod 17 is connected with differential crank 16 by pin and soket head cap screw.
In technique scheme, the other end of described differential connecting rod 17 is sleeved on outside lining 2 29, screw is screwed onto on main feed dog frame 13 through the through hole on lining 2 29, be provided with in the appropriate section of differential retainer 12 be convenient to screw, through hole 28 that lining 2 29 passes through.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (6)
1. a sewing machine feeding mechanism, include lower main axis, differential shaft and feed lifting rock shaft, lower main axis passes through first connecting rod, first crank swings with feed lifting rock shaft and is connected, and lower main axis passes through eccentric ratio, second connecting rod and the second crank swing with differential shaft and are connected, it is characterized in that: the front end of lower main axis is provided with feed lifting rock shaft crank, lower main axis on front side of feed lifting rock shaft crank is installed with slide block, the front end of feed lifting rock shaft is provided with lifts tooth slide block, the two ends, left and right of differential retainer and main feed dog frame are equipped with chute, slide block with lift tooth slide block and be slidably installed in the chute at differential retainer and main feed dog frame two ends respectively, the front side of slide block is provided with retainer baffle plate, retainer baffle plate contacts with differential retainer and connects, the the first differential crank be fixed on differential shaft is provided with on front side of differential retainer, feed lifting rock shaft crank, retainer baffle plate, main feed dog frame and differential retainer compress spacing by the first differential crank and feed lifting rock shaft, first differential crank is connected with main feed dog frame by differential connecting rod, differential retainer is provided with differential tooth, main feed dog frame is provided with feed dog, lower main axis rotating band movable slider with lift the reciprocating motion of tooth slide block, slide block and the reciprocating motion of lifting tooth slide block drive the differential dental strip on differential retainer to move and feed dog reciprocating motion on main feed dog frame realizes work feed.
2. a kind of sewing machine feeding mechanism according to claim 1, it is characterized in that: the front end of described differential shaft is installed with differential pendulum plate, differential pendulum plate is positioned at the front side of the first differential crank, differential pendulum plate is provided with arcuate socket, adjusting slider is provided with in arcuate socket, adjusting slider is located by screw, and differential retainer is provided with the second differential crank, and adjusting slider is connected by differential small rod with the second differential crank.
3. a kind of sewing machine feeding mechanism according to claim 2, is characterized in that: one end of described differential small rod is sleeved on outside lining one, and screw is screwed onto on the second differential crank through the through hole on lining one.
4. a kind of sewing machine feeding mechanism according to claim 1, it is characterized in that: eccentric structure is arranged in the front end of described lower main axis, slide block is connected with the front end of lower main axis by bearing, the reciprocating motion in the chute of differential retainer and main feed dog frame of band movable slider.
5. a kind of sewing machine feeding mechanism according to claim 1, is characterized in that: described differential connecting rod is connected with differential crank by pin and soket head cap screw.
6. a kind of sewing machine feeding mechanism according to claim 5, is characterized in that: the other end of described differential connecting rod is sleeved on outside lining two, and screw is screwed onto on main feed dog frame through the through hole on lining two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278430.XU CN204608342U (en) | 2015-04-30 | 2015-04-30 | A kind of sewing machine feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278430.XU CN204608342U (en) | 2015-04-30 | 2015-04-30 | A kind of sewing machine feeding mechanism |
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| Publication Number | Publication Date |
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| CN204608342U true CN204608342U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520278430.XU Active CN204608342U (en) | 2015-04-30 | 2015-04-30 | A kind of sewing machine feeding mechanism |
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| CN (1) | CN204608342U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775236A (en) * | 2015-04-30 | 2015-07-15 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism |
| CN104911827A (en) * | 2015-06-15 | 2015-09-16 | 杰克缝纫机股份有限公司 | Differential ratio adjustment mechanism for sewing machine |
| CN112853633A (en) * | 2019-11-28 | 2021-05-28 | 杰克缝纫机股份有限公司 | Feed lifting mechanism with adjustable feed lifting height and flat seaming machine |
-
2015
- 2015-04-30 CN CN201520278430.XU patent/CN204608342U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775236A (en) * | 2015-04-30 | 2015-07-15 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism |
| CN104911827A (en) * | 2015-06-15 | 2015-09-16 | 杰克缝纫机股份有限公司 | Differential ratio adjustment mechanism for sewing machine |
| CN112853633A (en) * | 2019-11-28 | 2021-05-28 | 杰克缝纫机股份有限公司 | Feed lifting mechanism with adjustable feed lifting height and flat seaming machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |